| Most people agree that the long-term effects of global | | | | meant using the cheapest industrial equipment available |
| warming will be disastrous for the planet and its | | | | and hence causing a great deal of pollution. However, it |
| inhabitants. But predicting the exact future impact it will | | | | is possible that these countries will decide to put an |
| have is a very complex task. Those who make | | | | emphasis on preventing global warming and embrace |
| predictions about its long-term effects are not likely to | | | | greener technologies. |
| do so with one hundred percent accuracy. | | | | Increases in world population increase the likelihood of |
| Some of the difficulties inherent in forecasting future | | | | global warming. Statisticians can make educated |
| effects of global warming have to do with those same | | | | guesses as to how much the world population will |
| factors that make it hard for meteorologists to predict | | | | increase, but a number of factors play a part in |
| the weather correctly on a day-to-day basis. Winds | | | | population growth dynamics. These factors include |
| can cool the air or warm it depending on the direction | | | | biological ones, governmental policies, and global |
| they take. Cloud cover can cool a hot day. Air masses | | | | economics. |
| move and cause storms as cool fronts and warm | | | | Cars make a huge contribution to greenhoue gases at |
| fronts collide. Ocean currents can change the | | | | the present time. Cars with greater fuel efficiency |
| temperature of the land on which they strike. The | | | | could cut those emissions, and they have already been |
| earth's atmosphere is constantly in a cycle of | | | | developed. Research continues to improve their |
| evaporation and precipitation. As ice melts in the Polar | | | | performance. There is a question, though, as to |
| Regions due to global warming, the ocean | | | | whether the people of the world will embrace these |
| temperatures are affected. Evaporation rates are in | | | | vehicles. A high initial cost will probably prevent poor |
| flux. The courses and speeds of ocean currents | | | | people from having a hybrid or other fuel efficient |
| cannot be predicted with accuracy. This hard-to | | | | vehicles. The extent to which this technology is made |
| predict web of weather and global warming are a | | | | available to people from lower income brackets will |
| series of interrelated events, many of them difficult to | | | | affect how much greenhouse gas emissions can be |
| forsee. | | | | cut by their use. |
| The task of predicting the future impact of global | | | | While it is nearly impossible to predict the future of |
| warming is made more difficult since the actions of | | | | global warming with complete accuracy, it is a subject |
| people to prevent or expediate it are unknown. | | | | worthy of consideration. By being able to accurately |
| Currently there is a strong trend of underdeveloped | | | | estimate the damage it will cause, there is more |
| nations striving for modernization. In the past this has | | | | motivation to try to stop it. |